Quantification of myocardial
Bone scintigraphy
CZT SPECT
Cardiac amyloidosis
Planar imaging
Journal
EJNMMI research
ISSN: 2191-219X
Titre abrégé: EJNMMI Res
Pays: Germany
ID NLM: 101560946
Informations de publication
Date de publication:
23 Dec 2019
23 Dec 2019
Historique:
received:
02
09
2019
accepted:
06
12
2019
entrez:
25
12
2019
pubmed:
25
12
2019
medline:
25
12
2019
Statut:
epublish
Résumé
We aimed to compare different methods for semi-quantitative analysis of cardiac retention of bone tracers in patients with cardiac transthyretin amyloidosis (ATTR). Data from 67 patients with ATTR who underwent both conventional whole-body scan and a CZT myocardial SPECT (DSPECT, Spectrum Dynamics) 3 h after injection of H:Bs obtained from planar and reprojected data were not statistically different (wb-H:B, 2.05 ± 0.64, ant-H:B, 1.97 ± 0.61, LAO-H:B, 2.06 ± 0.64, all p = ns). However, 3D-H:B was increased compared to planar H:Bs (3D-H:B, 4.06 ± 1.77, all p < 0.0001 vs. wb-H:B, ant-H:B, and LAO-H:B). Bland-Altman plots demonstrated that the difference between 3D and planar H:Bs increased with the mean value of myocardial uptake. 3D-H:B was best correlated to septal thickness (r = 0.45, p < 0.001). Finally, abnormal right ventricular uptake was associated with higher values of cardiac retention. 3D semi-quantitative analysis of CZT SPECT optimized the assessment of
Identifiants
pubmed: 31873816
doi: 10.1186/s13550-019-0584-8
pii: 10.1186/s13550-019-0584-8
pmc: PMC6928186
doi:
Types de publication
Journal Article
Langues
eng
Pagination
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